Re: pg_last_xact_replay_timestamp lies

Поиск
Список
Период
Сортировка
От Anton Bushmelev
Тема Re: pg_last_xact_replay_timestamp lies
Дата
Msg-id 557E16AB.8040102@gmail.com
обсуждение исходный текст
Ответ на Re: pg_last_xact_replay_timestamp lies  (Michael Paquier <michael.paquier@gmail.com>)
Ответы Re: pg_last_xact_replay_timestamp lies  (Michael Paquier <michael.paquier@gmail.com>)
Список pgsql-general
Hello, thank t for response, measure in bytes may bemore correct, but to
bring it to the customer? :) I think it is easier to say that the
standby database lags behind master no more than 15 minutes, than the
fact that it differs for 1 megabyte.
ps: sorry for my English

On 06/15/2015 02:57 AM, Michael Paquier wrote:
> Isn't your mistake the fact that you rely on the assumption that
> replication lag measured in terms of timestamp is a good thing while
> it should be estimated in terms of byte difference by comparing WAL
> positions between the master and its standbys?



В списке pgsql-general по дате отправления:

Предыдущее
От: Michael Paquier
Дата:
Сообщение: Re: pg_last_xact_replay_timestamp lies
Следующее
От: Michael Paquier
Дата:
Сообщение: Re: pg_last_xact_replay_timestamp lies